diff options
Diffstat (limited to 'Source/cmAddLibraryCommand.cxx')
| -rw-r--r-- | Source/cmAddLibraryCommand.cxx | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/Source/cmAddLibraryCommand.cxx b/Source/cmAddLibraryCommand.cxx new file mode 100644 index 0000000..5149333 --- /dev/null +++ b/Source/cmAddLibraryCommand.cxx @@ -0,0 +1,344 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing for details. */ +#include "cmAddLibraryCommand.h" + +#include <sstream> + +#include "cmGeneratorExpression.h" +#include "cmGlobalGenerator.h" +#include "cmMakefile.h" +#include "cmMessageType.h" +#include "cmState.h" +#include "cmStateTypes.h" +#include "cmSystemTools.h" +#include "cmTarget.h" + +class cmExecutionStatus; + +// cmLibraryCommand +bool cmAddLibraryCommand::InitialPass(std::vector<std::string> const& args, + cmExecutionStatus&) +{ + if (args.empty()) { + this->SetError("called with incorrect number of arguments"); + return false; + } + // Library type defaults to value of BUILD_SHARED_LIBS, if it exists, + // otherwise it defaults to static library. + cmStateEnums::TargetType type = cmStateEnums::SHARED_LIBRARY; + if (cmSystemTools::IsOff( + this->Makefile->GetDefinition("BUILD_SHARED_LIBS"))) { + type = cmStateEnums::STATIC_LIBRARY; + } + bool excludeFromAll = false; + bool importTarget = false; + bool importGlobal = false; + + std::vector<std::string>::const_iterator s = args.begin(); + + std::string const& libName = *s; + + ++s; + + // If the second argument is "SHARED" or "STATIC", then it controls + // the type of library. Otherwise, it is treated as a source or + // source list name. There may be two keyword arguments, check for them + bool haveSpecifiedType = false; + bool isAlias = false; + while (s != args.end()) { + std::string libType = *s; + if (libType == "STATIC") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting STATIC type."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::STATIC_LIBRARY; + haveSpecifiedType = true; + } else if (libType == "SHARED") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting SHARED type."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::SHARED_LIBRARY; + haveSpecifiedType = true; + } else if (libType == "MODULE") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting MODULE type."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::MODULE_LIBRARY; + haveSpecifiedType = true; + } else if (libType == "OBJECT") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting OBJECT type."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::OBJECT_LIBRARY; + haveSpecifiedType = true; + } else if (libType == "UNKNOWN") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting UNKNOWN type."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::UNKNOWN_LIBRARY; + haveSpecifiedType = true; + } else if (libType == "ALIAS") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting ALIAS type."; + this->SetError(e.str()); + return false; + } + ++s; + isAlias = true; + } else if (libType == "INTERFACE") { + if (haveSpecifiedType) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting/multiple types."; + this->SetError(e.str()); + return false; + } + if (isAlias) { + std::ostringstream e; + e << "INTERFACE library specified with conflicting ALIAS type."; + this->SetError(e.str()); + return false; + } + if (excludeFromAll) { + std::ostringstream e; + e << "INTERFACE library may not be used with EXCLUDE_FROM_ALL."; + this->SetError(e.str()); + return false; + } + ++s; + type = cmStateEnums::INTERFACE_LIBRARY; + haveSpecifiedType = true; + } else if (*s == "EXCLUDE_FROM_ALL") { + if (type == cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "INTERFACE library may not be used with EXCLUDE_FROM_ALL."; + this->SetError(e.str()); + return false; + } + ++s; + excludeFromAll = true; + } else if (*s == "IMPORTED") { + ++s; + importTarget = true; + } else if (importTarget && *s == "GLOBAL") { + ++s; + importGlobal = true; + } else if (type == cmStateEnums::INTERFACE_LIBRARY && *s == "GLOBAL") { + std::ostringstream e; + e << "GLOBAL option may only be used with IMPORTED libraries."; + this->SetError(e.str()); + return false; + } else { + break; + } + } + + if (type == cmStateEnums::INTERFACE_LIBRARY) { + if (s != args.end()) { + std::ostringstream e; + e << "INTERFACE library requires no source arguments."; + this->SetError(e.str()); + return false; + } + if (importGlobal && !importTarget) { + std::ostringstream e; + e << "INTERFACE library specified as GLOBAL, but not as IMPORTED."; + this->SetError(e.str()); + return false; + } + } + + bool nameOk = cmGeneratorExpression::IsValidTargetName(libName) && + !cmGlobalGenerator::IsReservedTarget(libName); + + if (nameOk && !importTarget && !isAlias) { + nameOk = libName.find(':') == std::string::npos; + } + if (!nameOk && !this->Makefile->CheckCMP0037(libName, type)) { + return false; + } + + if (isAlias) { + if (!cmGeneratorExpression::IsValidTargetName(libName)) { + this->SetError("Invalid name for ALIAS: " + libName); + return false; + } + if (excludeFromAll) { + this->SetError("EXCLUDE_FROM_ALL with ALIAS makes no sense."); + return false; + } + if (importTarget || importGlobal) { + this->SetError("IMPORTED with ALIAS is not allowed."); + return false; + } + if (args.size() != 3) { + std::ostringstream e; + e << "ALIAS requires exactly one target argument."; + this->SetError(e.str()); + return false; + } + + std::string const& aliasedName = *s; + if (this->Makefile->IsAlias(aliasedName)) { + std::ostringstream e; + e << "cannot create ALIAS target \"" << libName << "\" because target \"" + << aliasedName << "\" is itself an ALIAS."; + this->SetError(e.str()); + return false; + } + cmTarget* aliasedTarget = + this->Makefile->FindTargetToUse(aliasedName, true); + if (!aliasedTarget) { + std::ostringstream e; + e << "cannot create ALIAS target \"" << libName << "\" because target \"" + << aliasedName + << "\" does not already " + "exist."; + this->SetError(e.str()); + return false; + } + cmStateEnums::TargetType aliasedType = aliasedTarget->GetType(); + if (aliasedType != cmStateEnums::SHARED_LIBRARY && + aliasedType != cmStateEnums::STATIC_LIBRARY && + aliasedType != cmStateEnums::MODULE_LIBRARY && + aliasedType != cmStateEnums::OBJECT_LIBRARY && + aliasedType != cmStateEnums::INTERFACE_LIBRARY) { + std::ostringstream e; + e << "cannot create ALIAS target \"" << libName << "\" because target \"" + << aliasedName << "\" is not a library."; + this->SetError(e.str()); + return false; + } + if (aliasedTarget->IsImported() && + !aliasedTarget->IsImportedGloballyVisible()) { + std::ostringstream e; + e << "cannot create ALIAS target \"" << libName << "\" because target \"" + << aliasedName << "\" is imported but not globally visible."; + this->SetError(e.str()); + return false; + } + this->Makefile->AddAlias(libName, aliasedName); + return true; + } + + if (importTarget && excludeFromAll) { + this->SetError("excludeFromAll with IMPORTED target makes no sense."); + return false; + } + + /* ideally we should check whether for the linker language of the target + CMAKE_${LANG}_CREATE_SHARED_LIBRARY is defined and if not default to + STATIC. But at this point we know only the name of the target, but not + yet its linker language. */ + if ((type == cmStateEnums::SHARED_LIBRARY || + type == cmStateEnums::MODULE_LIBRARY) && + !this->Makefile->GetState()->GetGlobalPropertyAsBool( + "TARGET_SUPPORTS_SHARED_LIBS")) { + std::ostringstream w; + w << "ADD_LIBRARY called with " + << (type == cmStateEnums::SHARED_LIBRARY ? "SHARED" : "MODULE") + << " option but the target platform does not support dynamic linking. " + "Building a STATIC library instead. This may lead to problems."; + this->Makefile->IssueMessage(MessageType::AUTHOR_WARNING, w.str()); + type = cmStateEnums::STATIC_LIBRARY; + } + + // Handle imported target creation. + if (importTarget) { + // The IMPORTED signature requires a type to be specified explicitly. + if (!haveSpecifiedType) { + this->SetError("called with IMPORTED argument but no library type."); + return false; + } + if (type == cmStateEnums::OBJECT_LIBRARY) { + std::string reason; + if (!this->Makefile->GetGlobalGenerator()->HasKnownObjectFileLocation( + &reason)) { + this->Makefile->IssueMessage( + MessageType::FATAL_ERROR, + "The OBJECT library type may not be used for IMPORTED libraries" + + reason + "."); + return true; + } + } + if (type == cmStateEnums::INTERFACE_LIBRARY) { + if (!cmGeneratorExpression::IsValidTargetName(libName)) { + std::ostringstream e; + e << "Invalid name for IMPORTED INTERFACE library target: " << libName; + this->SetError(e.str()); + return false; + } + } + + // Make sure the target does not already exist. + if (this->Makefile->FindTargetToUse(libName)) { + std::ostringstream e; + e << "cannot create imported target \"" << libName + << "\" because another target with the same name already exists."; + this->SetError(e.str()); + return false; + } + + // Create the imported target. + this->Makefile->AddImportedTarget(libName, type, importGlobal); + return true; + } + + // A non-imported target may not have UNKNOWN type. + if (type == cmStateEnums::UNKNOWN_LIBRARY) { + this->Makefile->IssueMessage( + MessageType::FATAL_ERROR, + "The UNKNOWN library type may be used only for IMPORTED libraries."); + return true; + } + + // Enforce name uniqueness. + { + std::string msg; + if (!this->Makefile->EnforceUniqueName(libName, msg)) { + this->SetError(msg); + return false; + } + } + + std::vector<std::string> srclists; + + if (type == cmStateEnums::INTERFACE_LIBRARY) { + if (!cmGeneratorExpression::IsValidTargetName(libName) || + libName.find("::") != std::string::npos) { + std::ostringstream e; + e << "Invalid name for INTERFACE library target: " << libName; + this->SetError(e.str()); + return false; + } + + this->Makefile->AddLibrary(libName, type, srclists, excludeFromAll); + return true; + } + + srclists.insert(srclists.end(), s, args.end()); + + this->Makefile->AddLibrary(libName, type, srclists, excludeFromAll); + + return true; +} |